<template>
  <a-layout>
    <a-layout-content :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }">
      <h1 v-if="level1.length === 0">对不起，找不到相关文档！</h1>
      <div class="doc">
        <a-row>
          <a-col :span="6">
            <a-tree
                v-if="level1.length > 0"
                :tree-data="level1"
                @select="onSelect"
                :replaceFields="{title: 'name', key: 'id', value: 'id'}"
                :defaultExpandAll="true"
                :defaultSelectedKeys="defaultSelectedKeys"
            >
            </a-tree>
          </a-col>
          <a-col :span="18">
            <div>
              <h2>{{doc.name}}</h2>
              <div>
                <span>阅读数：{{doc.viewCount}}</span> &nbsp; &nbsp;
                <span>点赞数：{{doc.voteCount}}</span>
              </div>
              <a-divider style="height: 2px; background-color: #9999cc"/>
            </div>
            <div :innerHTML="html"></div>
            <div class="vote-div">
              <a-button type="primary" shape="round" :size="'large'" @click="vote">
                <template #icon><LikeOutlined /> &nbsp;点赞：{{doc.voteCount}} </template>
              </a-button>
            </div>
          </a-col>
        </a-row>
      </div>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import {createVNode, defineComponent, onMounted, ref} from 'vue';
import axios from 'axios';
import {message, Modal} from 'ant-design-vue';
import {useRoute} from "vue-router";
import {Tool} from "../../util/tool";


export default defineComponent({
  name: 'Doc',
  setup() {
    const route = useRoute();
    const docs = ref();
    const html = ref();
    //当前选中的文档
    const doc = ref();
    doc.value = {};

    const defaultSelectedKeys = ref();
    defaultSelectedKeys.value = [];

    // const loading = ref(false);

    const level1 = ref();//一级文档树，children属性就是二级文档
    level1.value = [];

    /**
     * 内容查询
     **/
    const handleQueryContent = (id : number) => {
      axios.get("/Doc/find-content/"+ id).then((response) => {
        const data = response.data;
        if(data.success){
          html.value = data.content;
        } else{
          message.error(data.message);
        }
      });
    };

    /**
     * 数据查询
     **/
    const handleQuery = () => {
      axios.get("/Doc/all/" + route.query.ebookId).then((response) => {
        const data = response.data;
        if(data.success){
          docs.value = data.content;

          level1.value = [];
          level1.value = Tool.array2Tree(docs.value,0);


          if (Tool.isNotEmpty(level1)) {
            defaultSelectedKeys.value = [level1.value[0].id];
            handleQueryContent(level1.value[0].id);
            //初始显示文档信息
            doc.value = level1.value[0];
          }
        } else{
          message.error(data.message);
        }
      });
    };



    const onSelect = (selectedKeys: any, info: any) => {
      console.log('selected', selectedKeys, info);
      if (Tool.isNotEmpty(selectedKeys)) {
        //选中某一结点时，加载该节点的文档信息。
        doc.value = info.selectedNodes[0].props;
        // 加载内容
        handleQueryContent(selectedKeys[0]);
      }
    };

// 点赞
    const vote = () => {
      axios.get('/Doc/vote/' + doc.value.id).then((response) => {
        const data = response.data;
        if (data.success) {
          doc.value.voteCount++;
        } else {
          message.error(data.message);
        }
      });
    };

    onMounted(() => {
      handleQuery();
    });

    return {
      level1,
      html,
      onSelect,
      defaultSelectedKeys,
      doc,
      vote
    }
  }
});
</script>

<style>
/* wangeditor默认样式, 参照: http://www.wangeditor.com/doc/pages/02-%E5%86%85%E5%AE%B9%E5%A4%84%E7%90%86/03-%E8%8E%B7%E5%8F%96html.html */
/* table 样式 */
.wangeditor table {
  border-top: 1px solid #ccc;
  border-left: 1px solid #ccc;
}
.wangeditor table td,
.wangeditor table th {
  border-bottom: 1px solid #ccc;
  border-right: 1px solid #ccc;
  padding: 3px 5px;
}
.wangeditor table th {
  border-bottom: 2px solid #ccc;
  text-align: center;
}

/* blockquote 样式 */
.wangeditor blockquote {
  display: block;
  border-left: 8px solid #d0e5f2;
  padding: 5px 10px;
  margin: 10px 0;
  line-height: 1.4;
  font-size: 100%;
  background-color: #f1f1f1;
}

/* code 样式 */
.wangeditor code {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  background-color: #f1f1f1;
  border-radius: 3px;
  padding: 3px 5px;
  margin: 0 3px;
}
.wangeditor pre code {
  display: block;
}

/* ul ol 样式 */
.wangeditor ul, ol {
  margin: 10px 0 10px 20px;
}

/* 和antdv p冲突，覆盖掉 */
.wangeditor blockquote p {
  font-family:"YouYuan";
  margin: 20px 10px !important;
  font-size: 16px !important;
  font-weight:600;
}
/* 点赞 */
.vote-div {
  padding: 15px;
  text-align: center;
}
</style>